Elevatable ergonomic, interlocking foot rest



FIG. 1 is a perspective view of an elevatable, ergonomic, interlocking foot rest, showing my new design; showing the upper portion for convenience of illustration;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view, showing the lower portion for convenience of illustration;

FIG. 8 is a side elevational view thereof;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a perspective view, showing the footrest in condition for use; and,

FIG. 13 is a side elevational view, the broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for an elevatable ergonomic, interlocking foot rest, as shown and described. 